pie_chart.ph from the example works, except when included from another php script.

[GoogleCodeExporter]

What steps will reproduce the problem?
1.xamp, php in netbeans, windows 7
2.googlechartphplib-0.6-examples work, but when using them with the following 
call- include("pie_Char.php"); where i'd like the chart to display. the 
following error is displayed:
the image "http://localhost/PhpProject4/statistics.php" cannot be displyed, 
becuause it contains errors

3.

What is the expected output? What do you see instead?
Graph at requied position when included. Blank white page instead with what 
appears to be alt text displaying an error
What version of the product are you using? On what operating system?

googlechartphplib-0.6, windows 7
Please provide any additional information below.

Original issue reported on code.google.com by Bevin.Ma...@gmail.com on 29 Oct 2011 at 10:31